Ferrea valve springs effectively combat three critical issues that can compromise engine performance: binding, breakage, and valve float:
- Binding occurs when valves fail to open or close properly, risking severe engine damage.
- Breakage can result in valves dropping into the combustion chamber, leading to catastrophic failures.
- Valve float, often caused by inadequate spring rates, results in power loss and combustion leaks at high RPMs.
These valve springs are meticulously heat-treated and stress-relieved, ensuring stability for high-lift and high-RPM applications while minimizing load loss. Ferrea also offers precision CNC-machined retainers, providing superior strength and stability to withstand rigorous racing demands.
To guarantee optimal performance, Ferrea Spring Seat Locators are crafted from robust 4140 chromoly alloy, ensuring precise tolerances and a flat, parallel spring pad. The hard Nitrided surface treatment enhances toughness and wear resistance, making them an excellent addition to your high-performance setup.
Upgrading to high-performance valve springs is essential for any serious racing engine. Stock valve springs often struggle with increased lift and RPMs, resulting in valve float and diminished power output. Ferrea’s high-performance valve springs, constructed from high-strength materials like chromoly steel, provide increased spring pressure at higher speeds, improving engine response, power, and reliability.
Addressing common valve spring challenges such as binding, breakage, and valve float is crucial for maintaining optimal engine performance. Upgrading to Ferrea’s high-quality valve springs ensures proper valve operation, maximizes engine power, and significantly reduces the risk of engine failure.
Installation requires the expertise of an engine builder.
BMW B58 Gen 1 Applications:
1 Series
2016-2019 F20/F21 M140i
2 Series
2016-2019 F22/F23 M240i
3 Series
2015-2019 F30/F31 340i / 340i xDrive
2016-2019 F34 340i GT / 340i GT xDrive
4 Series
2016-2020 F32/F33/F36 440i / 440i xDrive
5 Series
2016-2019 G30/G31 540i / 540i xDrive
6 Series
2017-2019 G32 640i GT / 640i GT xDrive
7 Series
2015-2019 G11/G12 740i / 740i xDrive
X3 Series
2017-2019 G01 X3 M40i
X4 Series
2018-2019 G02 X4 M40i
BMW B58 Gen 2 Applications:
3 Series
2019-Present G20/G21 M340i / M340i xDrive
4 Series
2020-Present G22/G23/G26 M440i / M440i xDrive
Z Series
2019-Present G29 Z4 M40i
5 Series
2020-Present G30/G31 LCI 540i / 540i xDrive
6 Series
2020-Present G32 LCI 640i GT / GT 640i xDrive
7 Series
2019-Present G11/G12 LCI 740i / 740i xDrive
X3 Series
2020-Present G01 X3 M40i
X4 Series
2020-Present G02 X4 M40i
X5 Series
2018-Present G05 X5 xDrive40i
X6 Series
2019-Present G06 X6 xDrive40i
X7 Series
2018-Present G07 X7 xDrive40i
ALPINA B58 Gen 2 Applications:
B3 Series
2020-Present G20/G21 B3
B4 Series
2022-Present G22 B4
B5 Series
2020-Present G30 B5
XB7 Series
2020-Present G07 XB7
Toyota B58 Gen 2 Applications:
A90 / A91 Supra
2020-Present GR Supra 3.0
2020-Present GR Supra 3.0 Premium
2021-Present GR Supra 3.0 A91 Edition
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